import {
  constantRouterMap,
  asyncFormManageMap
} from '@/router'



/**
 * 通过meta.role判断是否与当前用户权限匹配
 * @param roles
 * @param route
 */
function hasPermission(roles, route) {
  return roles.some(role => route.code == role.code)
}

/**
 * 递归过滤异步路由表，返回符合用户角色权限的路由表
 * @param asyncRouterMap
 * @param roles
 */
function filterAsyncRouter(asyncRouterMap, roles) {
  const accessedRouters = asyncRouterMap.filter(route => {
    if (hasPermission(roles, route)) {
      if (route.children && route.children.length) {
        route.children = filterAsyncRouter(route.children, roles)
      }
      return true
    }
    return false
  })
  return accessedRouters
}

function resetRedirect(asyncRouterMap, roles) {
  let accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
  accessedRouters.map(route => {
    if (route.children && route.children.length) {
      route.redirect = route.path + '/' + route.children[0].path
    }
  })
  return accessedRouters
}
const permission = {
  state: {
    routers: constantRouterMap,
    addRouters: [],
  },
  mutations: {
    SET_ROUTERS: (state, routers) => {
      state.addRouters = routers
      state.routers = constantRouterMap.concat(routers)
    },
  },
  actions: {
    GenerateRoutes({ commit }, data) {
      return new Promise(resolve => {
        // let accessedRouters = resetRedirect(asyncFormManageMap, data)
        // commit('SET_ROUTERS', accessedRouters)
        commit('SET_ROUTERS', asyncFormManageMap)
        resolve()
      })
    },

  }
}

export default permission
